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Keywords = over- and underbending of tubes

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9 pages, 3561 KB  
Proceeding Paper
Control System Design for a Semi-Finished Product Considering Over- and Underbending
by Ahmed Ismail, Daniel Maier, Sophie Stebner, Wolfram Volk, Sebastian Münstermann and Boris Lohmann
Eng. Proc. 2022, 26(1), 16; https://doi.org/10.3390/engproc2022026016 - 14 Nov 2022
Cited by 2 | Viewed by 1896
Abstract
In the last decades, the application of automatic control techniques in freeform bending processes was limited to the motion control of the bending die, i.e., the workpiece itself was not considered inside the closed-loop control system. In a previous work, a simple preliminary [...] Read more.
In the last decades, the application of automatic control techniques in freeform bending processes was limited to the motion control of the bending die, i.e., the workpiece itself was not considered inside the closed-loop control system. In a previous work, a simple preliminary model for the workpiece was used as a foundation for developing a closed-loop system for freeform bending that includes both the geometry and the mechanical properties of the semi-finished product. However, this approach did not consider the fact that the same geometry can be reached by either over- or underbending the tube. In this work, the previously developed system model is extended to include this physical property of the system. Full article
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